使用oracle发邮件(二)

2014-11-24 15:58:16 · 作者: · 浏览: 1
---------------------------- ------- PROCEDURE CREATE_DIRECTORY(P_DIRECTORY_NAME VARCHAR2, P_DIR VARCHAR2) IS BEGIN EXECUTE IMMEDIATE 'create directory ' || P_DIRECTORY_NAME || ' as ''' || P_DIR || ''''; EXECUTE IMMEDIATE 'grant read,write on directory ' || P_DIRECTORY_NAME || ' to public'; EXCEPTION WHEN OTHERS THEN RAISE; END;


  --------------------------------------------分割邮件地址或者附件地址-----------------------------------
  PROCEDURE P_SPLITE_STR(P_STR         VARCHAR2,
                         P_SPLITE_FLAG INT DEFAULT 1) IS
    L_ADDR VARCHAR2(254) := '';
    L_LEN  INT;
    L_STR  VARCHAR2(4000);
    J      INT := 0; --表示邮件地址或者附件的个数
  BEGIN
    /*处理接收邮件地址列表,包括去空格、将;转换为,等*/
    L_STR := TRIM(RTRIM(REPLACE(REPLACE(P_STR, ';', ','), ' ', ''), ','));
    L_LEN := LENGTH(L_STR);
    FOR I IN 1 .. L_LEN LOOP
      IF SUBSTR(L_STR, I, 1) <> ',' THEN
        L_ADDR := L_ADDR || SUBSTR(L_STR, I, 1);
      ELSE
        J := J + 1;
        IF P_SPLITE_FLAG = 1 THEN --表示处理邮件地址       
          --前后需要加上'<>',否则很多邮箱将不能发送邮件
          L_ADDR := '<' || L_ADDR || '>';
          --调用邮件发送过程
          MY_ADDRESS_LIST(J) := L_ADDR;
        ELSIF P_SPLITE_FLAG = 2 THEN --表示处理附件名称
          MY_ACCT_LIST(J) := L_ADDR;
        END IF;
        L_ADDR := '';
      END IF;
      IF I = L_LEN THEN
        J := J + 1;
        IF P_SPLITE_FLAG = 1 THEN
          --调用邮件发送过程
          L_ADDR := '<' || L_ADDR || '>';
          MY_ADDRESS_LIST(J) := L_ADDR;
        ELSIF P_SPLITE_FLAG = 2 THEN
          MY_ACCT_LIST(J) := L_ADDR;
        END IF;
      END IF;
    END LOOP;
  END;
  ------------------------------------------------写邮件头和邮件内容------------------------------------------
  PROCEDURE WRITE_DATA(P_CONN   IN OUT NOCOPY UTL_SMTP.CONNECTION,
                       P_NAME   IN VARCHAR2,
                       P_VALUE  IN VARCHAR2,
                       P_SPLITE VARCHAR2 DEFAULT ':',
                       P_CRLF   VARCHAR2 DEFAULT L_CRLF) IS
  BEGIN
    /* utl_raw.cast_to_raw 对解决中文乱码问题很重要*/
    UTL_SMTP.WRITE_RAW_DATA(P_CONN, UTL_RAW.CAST_TO_RAW(CONVERT(P_NAME ||
                                                         P_SPLITE ||
                                                         P_VALUE ||
                                                         P_CRLF, 'ZHS16GBK')));
  END;
  ----------------------------------------写MIME邮件尾部-----------------------------------------------------
  PROCEDURE END_BOUNDARY(CONN IN OUT NOCOPY UTL_SMTP.CONNECTION,
                         LAST IN BOOLEAN DEFAULT FALSE) IS
  BEGIN
    UTL_SMTP.WRITE_DATA(CONN, UTL_TCP.CRLF);
    IF (LAST) THEN
      UTL_SMTP.WRITE_DATA(CONN, LAST_BOUNDARY);
    END IF;
  END;



  ----------------------------------------------发送附件----------------------------------------------------
  PROCEDURE ATTACHMENT(CONN         IN OUT NOCOPY UTL_SMTP.CONNECTION,
                       MIME_TYPE    IN VARCHAR2 DEFAULT 'text/plain',
                       INLINE       IN BOOLEAN DEFAULT TRUE,
                       FILENAME     IN VARCHAR2 DEFAULT 't.txt',
                       TRANSFER_ENC IN VARCHAR2 DEFAULT '7 bit',
                       DT_NAME      IN VARCHAR2 DEFAULT '0') IS
    L_FILENAME VARCHAR2(1000);
  BEGIN
    --写附件头
    UTL_SMTP.WRITE_DATA(CONN, FIRST_BOUNDARY);
    --设置附件格式
    WRITE_DATA(CONN, 'Content-Type', MIME_TYPE);
    --如果文件名称非空,表示有附件
    DROP_DIRECTORY(DT_NAME);
    --创建directory
    CREATE_DIRECTORY(DT_NAME, GET_FILE(FILENAME, 1));
    --得到附件文件名称
    L_FILENAME := GET_FILE(FILENAME, 2);
    IF (INLINE) THEN
      WRITE_DATA(CONN, 'Content-Disposition', 'inline; filename="' ||
                  L_FILENAME || '"');
    ELSE
      WRITE_DATA(CONN, 'Content-Disposition', 'attachment; filename="' ||
                  L_FILENAME || '"');
    END IF;
    --设置附件的转换格式
    IF (TRANSFER_ENC IS NOT NULL) THEN
      WRITE_DATA(CONN, 'Content-Transfer-Encoding', TRANSFER_ENC);
    END IF;
    UTL_SMTP.WRITE_DATA(CONN, UTL_TCP.CRLF);
    --begin 贴附件内容
    IF TRANSFER_ENC = 'bit 7' THEN
      --如果是文本类型的附件
      BEGIN
        L_FILE_HANDLE := UTL_FILE.FOPEN(DT_NAME, L_